$421+ Cheap flights from Seattle (SEA) to London City (LCY)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LCY
May 25 — Jun 11
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to London City with Cheapflights
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Cheapest flights from Seattle to London CityExplore the most affordable flight options available from Seattle to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2026.
Explore the most affordable flight options available from Seattle to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2026.
This SWISS deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:30 pm
SEA
- LCY
2 stops18h 00m
SWISS
Wed 10/79:15 am
LCY
- SEA
2 stops17h 17m
SWISS
Deal found 4/22![SWISS logo]()
$824
This Virgin Atlantic deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:20 am
SEA
- LCY
2 stops18h 10m
Virgin Atlantic
Wed 9/305:50 pm
LCY
- SEA
1 stop26h 02m
Virgin Atlantic
Deal found 4/24![Virgin Atlantic logo]()
$864
This Trip.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:50 pm
SEA
- LCY
1 stop11h 40m
Virgin Atlantic
Wed 11/188:05 pm
LCY
- SEA
1 stop23h 42m
Virgin Atlantic
Deal found 4/24![Virgin Atlantic logo]()
$922
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:50 pm
SEA
- LCY
1 stop11h 40m
Delta
Wed 9/3010:00 am
LCY
- SEA
1 stop14h 35m
Delta
Deal found 4/25![Delta logo]()
$931
This KLM deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:50 pm
SEA
- LCY
1 stop11h 40m
KLM
Thu 8/279:20 am
LCY
- SEA
1 stop15h 07m
KLM
Deal found 4/20![KLM logo]()
$932
This SWISS deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:30 am
SEA
- LCY
2 stops18h 05m
SWISS
Thu 10/89:15 am
LCY
- SEA
2 stops17h 17m
SWISS
Deal found 4/22![SWISS logo]()
$933
This Expedia deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:50 pm
SEA
- LCY
1 stop11h 40m
Virgin Atlantic
Mon 8/318:15 pm
LCY
- SEA
1 stop23h 32m
Virgin Atlantic
Deal found 4/21![Virgin Atlantic logo]()
$934
This Virgin Atlantic deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:20 am
SEA
- LCY
2 stops20h 10m
Virgin Atlantic
Wed 8/199:20 am
LCY
- SEA
1 stop15h 07m
Virgin Atlantic
Deal found 4/23![Virgin Atlantic logo]()
$936
This SWISS deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:33 pm
SEA
- LCY
2 stops17h 52m
SWISS
Tue 9/229:15 am
LCY
- SEA
2 stops17h 17m
SWISS
Deal found 4/23![SWISS logo]()
$937
This SWISS deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:00 am
SEA
- LCY
2 stops21h 35m
SWISS
Tue 10/137:15 pm
LCY
- SEA
2 stops31h 17m
SWISS
Deal found 4/20![SWISS logo]()
$938
This Cheapflightsfares deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:45 am
SEA
- LCY
2 stops22h 40m
SWISS
Tue 8/259:15 am
LCY
- SEA
2 stops17h 17m
SWISS
Deal found 4/22![SWISS logo]()
$940
This Virgin Atlantic deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:40 pm
SEA
- LCY
1 stop16h 50m
Virgin Atlantic
Tue 10/138:25 am
LCY
- SEA
2 stops20h 06m
Virgin Atlantic
Deal found 4/23![Virgin Atlantic logo]()
$942
Best flights from Seattle to London CityDiscover carefully curated flight deals from Seattle to London City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2026.
Discover carefully curated flight deals from Seattle to London City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2026.
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:50 pm
SEA
- LCY
1 stop11h 40m
Delta
Wed 9/309:20 am
LCY
- SEA
1 stop15h 15m
Delta
Deal found 4/23![Delta logo]()
$932
This Virgin Atlantic deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:50 pm
SEA
- LCY
1 stop13h 50m
Virgin Atlantic
Tue 9/299:20 am
LCY
- SEA
2 stops20h 57m
Virgin Atlantic
Deal found 4/23![Virgin Atlantic logo]()
$992
This KLM deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Tue 5/269:20 am
LCY
- SEA
1 stop15h 10m
KLM
Deal found 4/20![KLM logo]()
$1,247
This SWISS deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am
SEA
- LCY
2 stops21h 35m
SWISS
Fri 10/99:15 am
LCY
- SEA
2 stops21h 14m
SWISS
Deal found 4/21![SWISS logo]()
$1,255
This Virgin Atlantic deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:50 pm
SEA
- LCY
1 stop19h 30m
Virgin Atlantic
Tue 9/295:50 pm
LCY
- SEA
1 stop25h 57m
Virgin Atlantic
Deal found 4/21![Virgin Atlantic logo]()
$1,014
This KLM deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/141:50 pm
SEA
- LCY
1 stop11h 40m
KLM
Mon 8/319:20 am
LCY
- SEA
1 stop15h 07m
KLM
Deal found 4/21![KLM logo]()
$1,261
This Virgin Atlantic deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:45 pm
SEA
- LCY
2 stops18h 55m
Virgin Atlantic
Thu 9/249:20 am
LCY
- SEA
1 stop15h 15m
Virgin Atlantic
Deal found 4/24![Virgin Atlantic logo]()
$1,183
This Virgin Atlantic deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:45 pm
SEA
- LCY
1 stop15h 35m
Virgin Atlantic
Thu 6/1810:00 am
LCY
- SEA
2 stops18h 57m
Virgin Atlantic
Deal found 4/24![Virgin Atlantic logo]()
$1,222
This KLM deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/171:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Fri 6/59:20 am
LCY
- SEA
1 stop15h 04m
KLM
Deal found 4/22![KLM logo]()
$1,363
This Virgin Atlantic deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:45 pm
SEA
- LCY
1 stop11h 45m
Virgin Atlantic
Wed 10/219:20 am
LCY
- SEA
2 stops19h 27m
Virgin Atlantic
Deal found 4/21![Virgin Atlantic logo]()
$1,232
This Virgin Atlantic deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:30 am
SEA
- LCY
2 stops18h 25m
Virgin Atlantic
Tue 7/79:20 am
LCY
- SEA
2 stops19h 00m
Virgin Atlantic
Deal found 4/21![Virgin Atlantic logo]()
$1,309
Last-minute flights from Seattle to London CityDiscover last-minute flight deals from Seattle to London City. Data last updated April 25, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to London City. Data last updated April 25, 2026 and is based on user searches.
This SWISS deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:48 am
SEA
- LCY
2 stops17h 47m
SWISS
Thu 4/309:15 am
LCY
- SEA
2 stops22h 14m
SWISS
Deal found 4/21![SWISS logo]()
$998
This KAYAK deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:52 am
SEA
- LCY
2 stops46h 33m
SWISS
Tue 5/59:15 am
LCY
- SEA
2 stops17h 15m
SWISS
Deal found 4/21![SWISS logo]()
$1,001
This Trip.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:45 pm
SEA
- LCY
1 stop11h 45m
Multiple Airlines
Mon 5/118:15 pm
LCY
- SEA
1 stop23h 27m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,077
This Cheapflightsfares deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:45 am
SEA
- LCY
2 stops22h 40m
SWISS
Tue 5/129:15 am
LCY
- SEA
2 stops17h 15m
SWISS
Deal found 4/21![SWISS logo]()
$973
This Cheapflightsfares deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:45 am
SEA
- LCY
2 stops22h 40m
SWISS
Tue 5/199:15 am
LCY
- SEA
2 stops17h 15m
SWISS
Deal found 4/25![SWISS logo]()
$1,031
This KLM deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Thu 5/219:20 am
LCY
- SEA
1 stop15h 10m
KLM
Deal found 4/24![KLM logo]()
$1,079
This Cheapflightsfares deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:45 am
SEA
- LCY
2 stops22h 40m
SWISS
Mon 5/189:15 am
LCY
- SEA
2 stops17h 15m
SWISS
Deal found 4/20![SWISS logo]()
$1,019
This KLM deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Wed 10/219:20 am
LCY
- SEA
1 stop15h 19m
KLM
Deal found 4/20![KLM logo]()
$1,032
This SWISS deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:45 am
SEA
- LCY
2 stops22h 40m
SWISS
Wed 10/219:15 am
LCY
- SEA
2 stops17h 17m
SWISS
Deal found 4/20![SWISS logo]()
$1,033
This Cheapflightsfares deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:45 am
SEA
- LCY
2 stops22h 40m
SWISS
Thu 6/49:15 am
LCY
- SEA
2 stops17h 18m
SWISS
Deal found 4/20![SWISS logo]()
$1,080
This SWISS deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:21 pm
SEA
- LCY
2 stops20h 04m
SWISS
Wed 10/219:15 am
LCY
- SEA
2 stops17h 17m
SWISS
Deal found 4/22![SWISS logo]()
$1,037
This Cheapflightsfares deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:45 am
SEA
- LCY
2 stops22h 45m
SWISS
Tue 5/269:15 am
LCY
- SEA
2 stops17h 15m
SWISS
Deal found 4/23![SWISS logo]()
$1,058
One-way flights from Seattle to London CitySearch for one-way flight options from Seattle to London City. Find affordable one-way fares based on user searches. Data last updated April 25, 2026.
Search for one-way flight options from Seattle to London City. Find affordable one-way fares based on user searches. Data last updated April 25, 2026.
This Mytrip deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/263:40 pm
SEA
- LCY
3 stops17h 40m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:40 pm
SEA
- LCY
3 stops32h 55m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:25 pm
SEA
- LCY
3 stops49h 10m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 pm
SEA
- LCY
3 stops30h 05m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 pm
SEA
- LCY
3 stops29h 35m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:00 pm
SEA
- LCY
3 stops28h 05m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:10 pm
SEA
- LCY
2 stops39h 05m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:40 pm
SEA
- LCY
3 stops21h 10m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 pm
SEA
- LCY
3 stops31h 20m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:00 pm
SEA
- LCY
3 stops42h 05m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:40 pm
SEA
- LCY
3 stops20h 35m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:40 pm
SEA
- LCY
3 stops31h 50m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$481
Find flight deals from Seattle to London City
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to London City (LCY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 25, 2026.
Most accurate provider | Ovago 2 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $824 (SWISS) |
One-way from | $421 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $710 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to London City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2026.
Use the filters below to find and compare flights from Seattle to London City Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Tue 8/18
1:50 pm-9:30 am
1 stop11h 40m
London City
Wed 9/30
9:20 am-4:35 pm
1 stop15h 15m
$932
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Fri 9/25
1:50 pm-11:40 am
1 stop13h 50m
London City
Tue 9/29
9:20 am-10:17 pm
2 stops20h 57m
$992
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Tue 9/15
1:50 pm-5:20 pm
1 stop19h 30m
London City
Tue 9/29
5:50 pm-11:47 am
1 stop25h 57m
$1,014
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Mon 9/21
1:45 pm-4:40 pm
2 stops18h 55m
London City
Thu 9/24
9:20 am-4:35 pm
1 stop15h 15m
$1,183
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Mon 6/15
5:45 pm-5:20 pm
1 stop15h 35m
London City
Thu 6/18
10:00 am-8:57 pm
2 stops18h 57m
$1,222
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Tue 5/12
1:45 pm-9:30 am
1 stop11h 45m
London City
Wed 10/21
9:20 am-8:47 pm
2 stops19h 27m
$1,232
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Thu 5/21
1:45 pm-9:30 am
1 stop11h 45m
London City
Tue 5/26
9:20 am-4:30 pm
1 stop15h 10m
$1,247
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Sun 9/27
7:00 am-12:35 pm
2 stops21h 35m
London City
Fri 10/9
9:15 am-10:29 pm
2 stops21h 14m
$1,255
Quickest round-trip
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Fri 8/14
1:50 pm-9:30 am
1 stop11h 40m
London City
Mon 8/31
9:20 am-4:27 pm
1 stop15h 07m
$1,261
SeattleLondon
SEA - LCY
SEALCY
Seattle/Tacoma Intl
Tue 6/30
5:30 am-7:55 am
2 stops18h 25m
London City
Tue 7/7
9:20 am-8:20 pm
2 stops19h 00m
$1,309
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Seattle to London City
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to London City in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Seattle-London City Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-London City Airport flight deals on Cheapflights vs. Ovago 90-95% of the time. Price accuracy is based on data collected from Seattle-London City Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-London City Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-London City Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to London City
Have a flexible travel schedule? Discover the best time to fly to London City from Seattle with our price prediction graph.
SEA-LCY
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing London City
Get insights into the airlines that provide service to London City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London City. Reviews last updated April 25, 2026.
Get a feel of what it's like to fly with Scandinavian Airlines from Seattle to London City Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Comfort
7.3
Crew
8.0
Entertainment
6.7
Food
6.7
Boarding
7.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Overall
7.4
Comfort
7.3
Crew
8.0
Entertainment
6.7
Food
6.7
Boarding
7.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Related info for your journey
Find useful and relevant information for your journey from Seattle to London City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London City Airport?
Book flights to London City Airport if you plan to visit one of these locationsIlford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted
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Other flights to London City
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Seattle and London City flights
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Top airline flying from Seattle to London City
Discover the top airline that operate flights from Seattle to London City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$962 | Average$1,000 | FlexibilityNo cancel fee | On-time77% |